MITSUMI
System Reset PST623
System Reset
Monolithic IC PST623
Outline
This low reset type IC functions in CPU and other logic systems to detect input voltage and reset the system
accurately when power is turned on or interruped.
Features
1.
2.
3.
4.
5.
6.
7.
Detection voltage can be set easily (2 external resistors)
High percision voltage detection Internal reference voltage
Enables high voltage check (at stage before Reg)
Low operating limit voltage
High output current during ON
Low current consumption
Built-in delay circuit (1 external capacitor)
1.25鹵2%
0.65V typ.
10mA min.
40碌A(chǔ) typ.
Applications
1. Reset circuits in microcomputers, CPUs and MPUs
2. Logic circuit reset circuits
3. Level detection circuits
Package
VSOP-8A (PST623XS)
SIP-5A (PST623XW)
Pin Assignment
1
2
8
7
6
5
3
4
5
1
2
3
4
6
7
VSOP-8A
8
V
S
NC
TC
GND
RESET
NC
NC
V
CC
1
2
3
SIP-5A
4
5
1
2
3
4
5
V
CC
V
S
TC
GND
RESET